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Operating Systems AIX Restore previous update w/o multibos Post 302229402 by bakunin on Tuesday 26th of August 2008 09:20:43 PM
Old 08-26-2008
Of course this is possible - this is exactly what the product is for in first place:

Quote:
The multibos command allows the root level administrator to create multiple instances of AIX on the same rootvg. The multibos setup operation creates a standby Base Operating System (BOS) that boots from a distinct boot logical volume (BLV). This creates two bootable sets of BOS on a given rootvg. The administrator can boot from either instance of BOS by specifying the respective BLV as an argument to the bootlist command or using system firmware boot operations.
These are the first three sentences from the first paragraph fom the first source everybody should consult - the manpage.

I do not like to say that, but: the forum can help you but it will not do the understanding for you. You are a long-standing member here and should really know by now.

I hope this helps.

bakunin
 

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BOSLOG(5)							AFS File Reference							 BOSLOG(5)

NAME
BosLog - Traces BOS Server operations DESCRIPTION
The BosLog file records a trace of Basic OverSeer (BOS) Server (bosserver process) operations on the local machine and describes any error conditions it encounters. If the BosLog file does not already exist in the /var/log/openafs directory when the BOS Server starts, the server process creates it and writes initial start-up messages to it. If there is an existing file, the BOS server renames it to BosLog.old, overwriting the existing BosLog.old file if it exists. The file is in ASCII format. Administrators listed in the /etc/openafs/server/UserList file can use the bos getlog command to display its contents. Alternatively, log onto the server machine and use a text editor or a file display command such as the UNIX cat command. By default, the mode bits on the BosLog file grant the required "r" (read) permission to all users. The BOS Server records operations only as it completes them, and cannot recover from failures by reviewing the file. The log contents are useful for administrative evaluation of process failures and other problems. SEE ALSO
UserList(5), bos_getlog(8), bosserver(8) COPYRIGHT
IBM Corporation 2000. <http://www.ibm.com/> All Rights Reserved. This documentation is covered by the IBM Public License Version 1.0. It was converted from HTML to POD by software written by Chas Williams and Russ Allbery, based on work by Alf Wachsmann and Elizabeth Cassell. OpenAFS 2012-03-26 BOSLOG(5)
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